Question

differentiate between compression and defragmentation?

Answer 1

Compression
When the file space is being occupied. Than the problem arises. Therefore file space have to be compressed.
Defragmentation
When the drive of the computer have no space. To less the space of the drive, is known as defragmentation.

Answer 2

"Compression is used to reduce the file size while Defragmentation is the process of reorganizing the data stored ion the hard drive"

Difference between compression and defragmentation:

              Compression, or "data compression," is used to reduce the size of one or multiple files. When a file is compressed, it takes up low disk space than an uncompressed version and can be transferred to other systems more quickly.  

Defragmentation is a term used to explain the process of reorganizing a hard drive's data to help enlarge the proficiency of accessing the data and prevent file fragmentation. By creating the data on the hard drive, it can decrease the time it takes to run a program and unlocked files on a hard disk drive.